Aug 02 10:05:28.269 INFO checking find_mountpoint-1.0.3 against 1.27.2 for lazy_static-1
Aug 02 10:05:28.269 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:05:28.269 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:05:28.269 INFO running `"docker" "create" "-v" "/tmp/crater.yiMXLO4gOqZe:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 10:05:28.531 INFO blam! d1bf6c50168d84b670dc0780fb0f51190c9560ed19fba0df33146fa23bbd3401
Aug 02 10:05:28.534 INFO running `"docker" "start" "-a" "d1bf6c50168d84b670dc0780fb0f51190c9560ed19fba0df33146fa23bbd3401"`
Aug 02 10:05:29.738 INFO kablam!     Checking find_mountpoint v1.0.3 (file:///source)
Aug 02 10:05:31.305 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:05:31.305 INFO kablam!  --> benches/main.rs:1:1
Aug 02 10:05:31.305 INFO kablam!   |
Aug 02 10:05:31.305 INFO kablam! 1 | #![feature(test)]
Aug 02 10:05:31.305 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 10:05:31.306 INFO kablam! 
Aug 02 10:05:31.306 INFO kablam! error: aborting due to previous error
Aug 02 10:05:31.306 INFO kablam! 
Aug 02 10:05:31.306 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:05:31.314 INFO kablam! error: Could not compile `find_mountpoint`.
Aug 02 10:05:31.314 INFO kablam! 
Aug 02 10:05:31.314 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 10:05:31.315 INFO kablam! su: No module specific data is present
Aug 02 10:05:31.916 INFO running `"docker" "rm" "-f" "d1bf6c50168d84b670dc0780fb0f51190c9560ed19fba0df33146fa23bbd3401"`
Aug 02 10:05:32.090 INFO blam! d1bf6c50168d84b670dc0780fb0f51190c9560ed19fba0df33146fa23bbd3401